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EL-SHAARAWY, S., ATTA, Y., RAAFAT, M., ZEINA, A. (1998). GENOTYPE-ENVIRONMENT INTERACTION AND GENOTYPIC STABILITY FOR SOME EGYPTIAN COTTON GENOTYPES. Egyptian Journal of Agricultural Research, 76(2), 785-797. doi: 10.21608/ejar.1998.353706
SAMER A. EL-SHAARAWY; YAHUA M. ATTA; MOHAMED A. A. RAAFAT; ABDEL-MOTY ZEINA. "GENOTYPE-ENVIRONMENT INTERACTION AND GENOTYPIC STABILITY FOR SOME EGYPTIAN COTTON GENOTYPES". Egyptian Journal of Agricultural Research, 76, 2, 1998, 785-797. doi: 10.21608/ejar.1998.353706
EL-SHAARAWY, S., ATTA, Y., RAAFAT, M., ZEINA, A. (1998). 'GENOTYPE-ENVIRONMENT INTERACTION AND GENOTYPIC STABILITY FOR SOME EGYPTIAN COTTON GENOTYPES', Egyptian Journal of Agricultural Research, 76(2), pp. 785-797. doi: 10.21608/ejar.1998.353706
EL-SHAARAWY, S., ATTA, Y., RAAFAT, M., ZEINA, A. GENOTYPE-ENVIRONMENT INTERACTION AND GENOTYPIC STABILITY FOR SOME EGYPTIAN COTTON GENOTYPES. Egyptian Journal of Agricultural Research, 1998; 76(2): 785-797. doi: 10.21608/ejar.1998.353706

GENOTYPE-ENVIRONMENT INTERACTION AND GENOTYPIC STABILITY FOR SOME EGYPTIAN COTTON GENOTYPES

Article 30, Volume 76, Issue 2, July 1998, Page 785-797  XML PDF (2.7 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1998.353706
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Authors
SAMER A. EL-SHAARAWY; YAHUA M. ATTA; MOHAMED A. A. RAAFAT; ABDEL-MOTY ZEINA
Cotton Research Institute, Agricultural Research Centre, Giza, Egypt
Abstract
Genotype-environment interaction (GE) and genotypic stability parameters were studied for 30 genotypes. The genotypes were evalu­ated over seven locations in 1993, for six traits. The traits studied were boll weight, lint yield, lint percentage, seed index, lint index and number of seeds/boll. The variance for genotypes was highly significant for all traits. The GE mean square was highly significant for all traits except seed index where it was insignificant. The results obtained for genotypic stability anslysis indicated that the genotypes varied for the estimated Xi while the estimated ai did not differ from a =0. The best strain was F6 744/91 where it was stable for lint yield and all other traits. Moreover, it was highly productive. Four genotypes (F8 899/91, F8 901/91, 7581 and 756022) were stable for lint yield and most of the other traits and highly productive. The best genotypes were derived from four crosses, i.e. Giza 81 x Termez 16, (Bahtim 105 x Giza 67) (Giza 72 x Delecro), Giza 75 x Giza 81 and Giza 75 x 6022.  (linear
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